Rotary brush.



W. A. BECKETT. ROTARY BRUSH. APPLICATION FILED MAY 19, 1916.

Patented Sept. 19, 1916.

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UNITED STATES PATENT oEEicE.

WILLIAM AUSTON BEGKETT, OF KINGSVILLE, ONTARIO, CANADA.

ROTARY BRUSH.

Application filed May 19, 1916.

To all whom it may concern:

Be it known that I, lVILLIAM AUsToN BECKETT, a subject of the King of Great Britain, residing in the village of Kingsville, county of Essex, Province of Ontario, Canada, have invented certain new and useful Improvements in Rotary Brushes, of which the following is a specification.

Hy invention relates to improvements in rotary brushes to be used particularly in machines for scouring and polishing the ends and the slightly turned edges of tin cans, though of course my brush mayv be used for other purposes if desired, and the object of my invention is to provide a particular manner of mounting the bristles on a roller and further to provide means whereby any slack in, or stretching of the mounting means for the bristles shall be automatically taken up, thus maintaining the bristles in the best possible form to do their work most effectively, and the preferred construction of my invention will be hereinafter particularly set forth, and what I claim as new will be set forth in the claim forming part of this specification.

Figure 1 is a side elevation of my brush, certain portions being broken away for clearness of illustration. Fig. 2 is a cross sectional view through portion of the brush.

In the drawings like characters of reference indicate corresponding parts in each figure.

The roller A is preferably made of wood or other suitable material, though of course it may be made of metal if desired.

B is the spindle. Carried by one end of this spindle is any suitable means whereby the roller may be driven. As shown in the drawing I illustrate the pulley G for this purpose.

Spirally wound around the roller A is a strip of suitable'material such as leather, D. One end of the strip of flexible material D is attached to one end of the roller A by any suitable means such as a nail E shown in dotted lines. The other end F of the strip of flexible material D is coupled by an elastic element G to the roller A. The elastic element G, illustrated, comprises a coil spring, one end of which is suitably secured to the roller A by any suitable means such as a threaded eye H. A similar fastening I is carried by the end F whereby the elastic element G is attached to the strip of flexible material 1). \Voven or otherwise secured in Specification of Letters Patent.

Patented Sept. 19, 1916.

Serial No. 98,685.

the strip of flexible material D are bristles which are preferably made of highly tempered steel wire.

The strip of flexible material D which has been provided with the bristles, is anchored at one end to one end of the roller A, and the same is then spirally wound around this roller, the other end being connected by elastic means to the roller A. Therefore it will be. understood that intermediate the ends of the flexible strip D there is no fastening means whereby any portion of the flexible materialD is fastened to the roller A. This roller is rotated in the direction indicated by the arrow in both figures.

As this brush is designed to be used particularly in machines for cleaning cans, it will be understood that the brushes must be used in pairs and they will rotate inwardly toward each other as is common in machines for cleaning cans. As is common in this art, feeding means in this machine is used to carry the cans between the rotating brushes. In a machine in which my brushes are to be mounted, the can will be fed therebetween at the end K, and therefore it will be understood that the friction between the bristles and the cans will tend to keep the strip D wound tightly around the roller A and any slackness that may occur in the strip D from time to time will ultimately be taken up by the elastic element G. The result will be that the bristles will be-firmly held in position.

It will be observed that the axis of the elastic element G occupies an angular position in respect of the longitudinal axis of the roller A in order that it may perform its function. Furthermore the said elastic element rests wholly against the outer periphery of said roller.

Considerable advantage arises from the use of brushes constructed according to my invention. They are very inexpensive to manufacture. Of course it will be understood that a plurality of strips of flexible material D may be spirally wound on a roller, each strip being connected to the supporting roller as already described.

For the purpose of illustration, the bristles have not been illustrated, in connection with the end F.

Various changes in construction may be made other than that disclosed without departing from the spirit of my invention.

What I claim as my invention is: of will be exerted in the direction of a line The combination With a roller having a passing through the said free end, midway strip of suitable flexible material provided the sides thereof, the outer end of said With bristles, spirally Wound therearound, spring being suitably secured to said roller.

5 one end of said strip of material being fas- In testimony whereof I have afiixed my 5 tened to said roller, of an elastic element signature in presence of two Witnesses. attached to the free end of said strip of WILLIAM AUSTON BECKETT. material and disposed against the outer pe- Witnesses: riphery of said roller and in a direction E. WV. HENDERsHoT,

l0 spirally thereagainst, so that the pull there- Gno. S. Gooonvn.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

. Washington, D. G. 

